Synchronizing carrier frequencies of co-channel amplitude-modulated broadcast

Smith, Stephen F; Moore, James A

Title: Synchronizing carrier frequencies of co-channel amplitude-modulated broadcast

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Abstract

Systems and methods are described for carrier-frequency synchronization for improved AM and TV broadcast reception. A method includes synchronizing a carrier frequency of a broadcast signal with a remote reference frequency. An apparatus includes a reference signal receiver; a phase comparator coupled to the reference signal receiver; a voltage controlled oscillator coupled to the phase comparator; and a radio frequency output coupled to the voltage controlled oscillator.

Inventors:

Smith, Stephen F ^[1]; Moore, James A ^[2]

London, TN
Powell, TN

Issue Date:: 2007-05-15

Research Org.:: Oak Ridge National Lab. (ORNL), Oak Ridge, TN (United States)

Sponsoring Org.:: USDOE

OSTI Identifier:: 909403

Patent Number(s):: 7218696

Application Number:: 10/304,338

Assignee:: UT-Battelle, LLC (Oak Ridge, TN)

Patent Classifications (CPCs):: H - ELECTRICITY H03 - BASIC ELECTRONIC CIRCUITRY H03D - DEMODULATION OR TRANSFERENCE OF MODULATION FROM ONE CARRIER TO ANOTHER

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H - ELECTRICITY H03 - BASIC ELECTRONIC CIRCUITRY H03D - DEMODULATION OR TRANSFERENCE OF MODULATION FROM ONE CARRIER TO ANOTHER
H03D3/248 - {with means for eliminating interfering signals, e.g. by multiple phase locked loops

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Resource Type:: Patent

Country of Publication:: United States

Language:: English

Subject:: 47 OTHER INSTRUMENTATION

Citation Formats


                    Smith, Stephen F, and Moore, James A. Synchronizing carrier frequencies of co-channel amplitude-modulated broadcast.  United States: N. p., 2007. 
        Web.

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                    Smith, Stephen F, & Moore, James A. Synchronizing carrier frequencies of co-channel amplitude-modulated broadcast.  United States.

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                    Smith, Stephen F, and Moore, James A. Tue .  
        "Synchronizing carrier frequencies of co-channel amplitude-modulated broadcast".  United States.  https://www.osti.gov/servlets/purl/909403.

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@article{osti_909403,

  title        = {Synchronizing carrier frequencies of co-channel amplitude-modulated broadcast},

  author       = {Smith, Stephen F and Moore, James A},

  abstractNote = {Systems and methods are described for carrier-frequency synchronization for improved AM and TV broadcast reception. A method includes synchronizing a carrier frequency of a broadcast signal with a remote reference frequency. An apparatus includes a reference signal receiver; a phase comparator coupled to the reference signal receiver; a voltage controlled oscillator coupled to the phase comparator; and a radio frequency output coupled to the voltage controlled oscillator.},

  doi          = {},

  journal      = {},
number       = ,

  volume       = ,

  place        = {United States},

  year         = {2007},

  month        = {5}

}

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